Clinton Remained Silent As Wal-Mart Fought UnionsTapes Reviewed by ABC News Show Clinton As a Loyal Company WomanBy BRIAN ROSS, MADDY SAUER and RHONDA SCHWARTZJan. 31, 2008—In six years as a member of the Wal-Mart board of directors, between 1986 and 1992, Hillary Clinton remained silent as the world's largest retailer waged a major campaign against labor unions seeking to represent store workers.Clinton has been endorsed for president by more than a dozen unions, according to her campaign Web site, which omits any reference to her role at Wal-Mart in its detailed biography of her.Wal-Mart's anti-union efforts were headed by one of Clinton's fellow board members, John Tate, a Wal-Mart executive vice president who also served on the board with Clinton for four of her six years.Tate was fond of repeating, as he did at a managers meeting in 2004 after his retirement, what he said was his favorite phrase, "Labor unions are nothing but blood-sucking parasites living...